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dybincka [34]
3 years ago
14

Help me please urgent

Mathematics
1 answer:
asambeis [7]3 years ago
7 0

Let \:  x  \: be  \: the \:  number \:  of \:  hours \\ Expession: - 4.5x =  - 27\Leftrightarrow x =  \frac{ - 27}{ - 4.5}  = 6 \: hours

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